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The best appropriate technology DIY plans
In off-grid communities where lights at night could improve grades and…
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How to Build a Wood-Burning Institutional Stove
The clean-burning stove is an old warhorse of design for developing…
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Help improve rainwater cisterns on Indian farms
Monsoon rains in Melva, a village in the northwestern Indian desert,…
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Dataloggers boost bee farms in India
The Palni Hills are 770 square miles (2000 square kilometers) of…
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E4C’s YouTube project: Essential playlists for appropriate design
Take a look at our playlists, in the right-hand margin of…
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Urine is fertilizing crops and saving money in…
Consider these facts about urine: Adults produce about four to eight…
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Can open source hardware change how we farm?
Marcin Jakubowski has a vision of a DIY utopia in which…